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IEEE802.11s paper proposes a new Medium Access Control (MAC) function Mesh Deterministic Access (MDA), which is mainly used for single channel wireless mesh Local Area Network (LAN). In single channel environment, collisions between control packets and data packets may occur very often. In order to provide higher performance and network capacity for wireless mesh LAN, this paper develops an algorithm for MDA to work well on multi-channel wireless mesh LAN. To reduce the hardware requirements in design, a Mesh Point (MP) only equips single transceiver to support multi-channel environment. To completely avoid the collision between control packets and data packets, the interval of the meshed delivery traffic indication message is first divided into contention period and data transmission period.
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